60 lines
1.9 KiB
Perl
60 lines
1.9 KiB
Perl
#!/usr/bin/perl
|
|
use strict;
|
|
use warnings;
|
|
use LWP::Simple;
|
|
use Data::Dump qw(dump); #libdata-dump-perl
|
|
use Web::Scraper; #libweb-scraper-perl
|
|
use Monitoring::Plugin; #libmonitoring-plugin-perl
|
|
|
|
my $np = Monitoring::Plugin->new(
|
|
usage => '',
|
|
plugin => $0,
|
|
shortname => "Balancer Members",
|
|
blurb => 'Apache 2 Load Balancer Manager Members',
|
|
timeout => 10
|
|
);
|
|
|
|
$np->add_arg(
|
|
spec => 'hostname|h=s',
|
|
help => 'hostname of the apache server',
|
|
required => 1
|
|
);
|
|
|
|
$np->add_arg(
|
|
spec => 'path|p=s',
|
|
help => 'path to the balancer url',
|
|
required => 1
|
|
);
|
|
|
|
$np->getopts;
|
|
|
|
my $response = get("http://".$np->opts->hostname."/".$np->opts->path);
|
|
my $s = scraper {
|
|
process 'table:nth-of-type(2) tr', 'members[]' => scraper {
|
|
process 'td:nth-of-type(1)', 'worker' => 'TEXT';
|
|
process 'td:nth-of-type(6)', 'status' => 'TEXT';
|
|
process 'td:nth-of-type(7)', 'elected' => 'TEXT';
|
|
process 'td:nth-of-type(8)', 'busy' => 'TEXT';
|
|
process 'td:nth-of-type(9)', 'load' => 'TEXT';
|
|
process 'td:nth-of-type(10)', 'to' => 'TEXT';
|
|
process 'td:nth-of-type(11)', 'from' => 'TEXT';
|
|
}
|
|
};
|
|
|
|
my $results = $s->scrape($response);
|
|
my @problemMembers = ();
|
|
my $at_least_one_is_ok = 0;
|
|
|
|
foreach my $member (@{$results->{'members'}})
|
|
{
|
|
next unless $member->{'worker'};
|
|
push @problemMembers, $member->{'worker'} if $member->{'status'} =~ /Err/i;
|
|
$at_least_one_is_ok = 1 if $member->{'status'} =~ /Ok\s?$/;
|
|
$np->add_perfdata(label => "elected-$member->{'worker'}", value => $member->{'elected'}, uom => 'c');
|
|
$np->add_perfdata(label => "busy-$member->{'worker'}", value => $member->{'busy'}, uom => 'rqts');
|
|
}
|
|
|
|
$np->nagios_exit('CRITICAL', "No members are Ok; there is a problem") unless $at_least_one_is_ok;
|
|
$np->nagios_exit('CRITICAL', "Members have errors: " . join (", ", @problemMembers)) if (@problemMembers > 0);
|
|
$np->nagios_exit('OK', "All members functioning correctly");
|